package com.atguigu.springcloud.service.impl;

import com.atguigu.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.Output;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * @Author huang_2
 * @Date 2020/4/20 1:24 下午
 * @Description TODO
 */
@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider {

    @Resource
    private MessageChannel output;//消息发送管道

    @Override
    public String send() {
        String serial= UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("***********serial"+serial);
        return null;
    }
}
